Trickle Chargers vs. Battery Chargers

Ross Ballot
by Ross Ballot
Battery Tenders vs Smart Chargers

Trickle chargers and smart chargers with testing and maintenance capabilities serve the common purpose of charging batteries, but they differ in their functionality, efficiency, and features. So with an overwhelming number of options out there available through major in-person retailers and online retailers like Amazon, how can you decide which type is best for your usage case?

Smart Chargers use advanced algorithms.

Here's a comparison between trickle chargers and smart chargers with testing and maintenance functions.

Charging Method:

Trickle Charger: Trickle chargers provide a constant low-level charge to the battery over an extended period. They are simple and slow, designed to keep a battery topped off when not in use.

Smart Charger: Smart chargers use advanced charging algorithms that adapt to the battery's condition. They can analyze the battery state and adjust the charging rate accordingly. The testing feature allows them to assess the battery's health before initiating the charging process. This goes for staying on top of potential discharging as well, so the battery can be kept at an optimal condition during prolonged tending or charging stages.

Speed of Charging:

Trickle Charger: Trickle chargers are generally slow and may take a longer time to fully charge a battery.

Smart Charger: Smart chargers are more efficient and can charge a battery faster, especially if the battery requires a higher charging rate. Note that this is usually the case, but not always the case.

Battery Maintenance:

Trickle Charger: Trickle chargers are primarily designed for maintaining a fully charged battery, but they may not have features to actively manage and optimize battery health. Most don't.

Smart Charger: Smart chargers often include features like desulfation, pulse charging, and temperature compensation. These features help prevent sulfation, a common issue that can reduce a battery's lifespan.

Promoted Product: TOPDON TB6000Pro Smart Charger & Tester

You no longer need to own both a battery tester and a battery charger - the TOPDON TB6000Pro does both!

The TB6000Pro is able to test your battery before charging, which gives you an inside look at your battery’s health. It also boasts a 9-step smart charging feature (diagnosis, desulphation, pre-charge, soft start, bulk charge, absorption, analysis, recondition, maintenance) which eliminates the worry of potentially over charging. It also provides both a pre- and post-charging report so you can see how much the battery has been improved.

With the TB6000Pro, you can monitor the status of your charging using an app on your phone. Through this app, you have access to advanced settings like voltage and current adjustment.

The TB6000Pro does more than charge your battery…it also repairs it. It utilizes pulse-width modulation to help break down the sulfates in your battery, which means improved battery resistance and longer service life.

Compatible with 6V and 12V lead-acid batteries and 12V lithium batteries, the TB6000Pro can keep virtually any vehicle battery charged and ready to go.

The Battery Tender Junior has traditionally been a popular choice.

Safety Features:

Trickle Charger: Basic trickle chargers may lack safety features found in more advanced chargers, such as overcharge protection or short-circuit prevention.

Smart Charger: Smart chargers usually come with built-in safety features, such as overcharge protection, reverse polarity protection, and thermal monitoring, making them safer to use.

Testing Capabilities:

Trickle Charger: Trickle chargers typically don't have built-in testing capabilities.

Smart Charger: Smart chargers can assess battery condition before charging. This testing feature allows them to detect issues like a weak battery or high internal resistance.

Smartphone applications are compatible with Smart Chargers.

User Interface:

Trickle Charger: Trickle chargers often have basic interfaces with minimal user controls.

Smart Charger: Smart chargers usually have a more advanced user interface, with displays or indicators providing information on charging status, battery condition, and any detected issues.

Bonus Features:

Trickle Charger: Not much in the way of added extras here, if we’re honest. Trickle chargers do the job and that’s about where their functionality ends.

Smart Chargers: A bonus feature for the more technologically-minded people out there is the ability to use smartphone applications that can monitor, check, and adjust things on the fly. Brands like TOPDON can provide real-time details, which is great for those who want to be more involved in the maintaining or charging of their vehicle’s battery.

In summary, while trickle chargers are simple and serve the basic purpose of keeping a battery charged, smart chargers with testing and maintenance capabilities offer more advanced features. They can adapt to the battery's needs, assess its health, and apply charging strategies to optimize performance and lifespan. Smart chargers are generally a more versatile and effective choice for battery maintenance and care, albeit with a more complicated interface and higher price tag.

Ross Ballot
Ross Ballot

Ross hosts The Off the Road Again Podcast. He has been in the off-road world since he was a kid riding in the back of his dad’s YJ Wrangler. He works in marketing by day and in his free time contributes to Hooniverse, AutoGuide, and, and in the past has contributed to UTV Driver, ATV Rider, and Everyday Driver. Ross drives a 2018 Lexus GX460 that is an ongoing build project featured on multiple websites and the podcast.

More by Ross Ballot

Join the conversation